/**
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* Copyright JS Foundation and other contributors, http://js.foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var should = require("should");
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var sinon = require("sinon");
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var fs = require("fs");
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var NR_TEST_UTILS = require("nr-test-utils");
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var examplesLibrary = NR_TEST_UTILS.require("@node-red/runtime/lib/library/examples")
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var mockLog = {
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log: sinon.stub(),
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debug: sinon.stub(),
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trace: sinon.stub(),
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warn: sinon.stub(),
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info: sinon.stub(),
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metric: sinon.stub(),
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audit: sinon.stub(),
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_: function() { return "abc"}
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}
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describe("runtime/library/examples", function() {
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describe("getEntry", function() {
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before(function() {
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examplesLibrary.init({
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log: mockLog,
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storage: {
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getLibraryEntry: function(type,path) {
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return Promise.resolve({type,path});
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},
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getFlow: function(path) {
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return Promise.resolve({path});
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}
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},
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nodes: {
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getNodeExampleFlows: function() {
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return {
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"test-module": {
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f: ["abc"]
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},
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"@scope/test-module": {
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f: ["abc","throw"]
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}
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}
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},
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getNodeExampleFlowPath: function(module,entryPath) {
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if (module === "unknown") {
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return null;
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}
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return "/tmp/"+module+"/"+entryPath;
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}
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}
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});
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sinon.stub(fs,"readFile").callsFake(function(path,opts,callback) {
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if (path === "/tmp/test-module/abc") {
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callback(null,"Example flow result");
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} else if (path === "/tmp/@scope/test-module/abc") {
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callback(null,"Example scope flow result");
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} else if (path === "/tmp/test-module/throw") {
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throw new Error("Instant error")
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} else {
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callback(new Error("Unexpected path:"+path))
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}
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})
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});
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after(function() {
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fs.readFile.restore();
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})
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it ('returns a flow example entry', function(done) {
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examplesLibrary.getEntry("flows","test-module/abc").then(function(result) {
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result.should.eql("Example flow result");
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done();
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}).catch(done);
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});
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it ('returns a flow example listing - top level', function(done) {
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examplesLibrary.getEntry("flows","").then(function(result) {
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result.should.eql([ 'test-module', '@scope/test-module' ])
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done();
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}).catch(done);
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});
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it ('returns a flow example listing - in module', function(done) {
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examplesLibrary.getEntry("flows","test-module").then(function(result) {
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result.should.eql([{ fn: 'abc' }])
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done();
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}).catch(done);
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});
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it ('returns a flow example listing - in scoped module', function(done) {
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examplesLibrary.getEntry("flows","@scope/test-module").then(function(result) {
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result.should.eql([{ fn: 'abc' }, {fn: 'throw'}])
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done();
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}).catch(done);
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});
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it ('returns a flow example entry from scoped module', function(done) {
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examplesLibrary.getEntry("flows","@scope/test-module/abc").then(function(result) {
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result.should.eql("Example scope flow result");
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done();
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}).catch(done);
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});
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it ('returns an error for unknown flow example entry', function(done) {
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examplesLibrary.getEntry("flows","unknown/abc").then(function(result) {
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done(new Error("No error thrown"))
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}).catch(function(err) {
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err.should.have.property("code","not_found");
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done();
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});
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});
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it ('returns an error for file load error - async', function(done) {
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examplesLibrary.getEntry("flows","test-module/unknown").then(function(result) {
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done(new Error("No error thrown"))
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}).catch(function(err) {
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done();
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});
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});
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it ('returns an error for file load error - sync', function(done) {
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examplesLibrary.getEntry("flows","test-module/throw").then(function(result) {
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done(new Error("No error thrown"))
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}).catch(function(err) {
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done();
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});
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});
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});
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});
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